Data ownership, licensing, and attribution.
WorldTides combines Brainware software with licensed and public data sources. This page summarizes the ownership and licensing notices that apply to the website, API, and underlying tide data.
Copyright notices
Different locations may use different source data. API responses can include applicable copyright information for the data returned.
| Data | Owner | Copyright |
|---|---|---|
| Website, API and WorldTides data | Brainware LLC | Copyright (c) Brainware LLC. Licensed for use of individual spatial coordinates on behalf of/by an end user. |
| Australia tide stations | Australian Bureau of Meteorology | This product is based on Bureau of Meteorology information that has subsequently been modified. The Bureau does not necessarily support or endorse, or have any connection with, the product. In respect of that part of the information which is sourced from the Bureau, and to the maximum extent permitted by law: (i) The Bureau makes no representation and gives no warranty of any kind whether express, implied, statutory or otherwise in respect to the availability, accuracy, currency, completeness, quality or reliability of the information or that the information will be fit for any particular purpose or will not infringe any third party Intellectual Property rights; and (ii) the Bureau's liability for any loss, damage, cost or expense resulting from use of, or reliance on, the information is entirely excluded. |
| Canada tide stations | Canadian Hydrographic Service | This product has been produced by WorldTides.info and includes data and services provided by the Canadian Hydrographic Service of the Department of Fisheries and Oceans. The incorporation of data sourced from the Canadian Hydrographic Service of the Department of Fisheries and Oceans within this product does NOT constitute an endorsement by the Canadian Hydrographic Service or the Department of Fisheries and Oceans of this product. |
| Dutch tide stations | Rijkswaterstaat (Dutch Infrastructure Service) | Source data created by Rijkswaterstaat / (Dutch Infrastructure Service) and is not subject to copyright protection. |
| Global tide data (2014) | AVISO+ | Generated using AVISO+ FES2014 produced by Noveltis, Legos and CLS and distributed by Aviso+, with support from CNES. |
| Global tide data (2022) | AVISO+ | Generated using AVISO+ FES2022 produced by Noveltis, Legos and CLS and distributed by Aviso+, with support from CNES. |
| New Zealand tide stations | Land Information New Zealand | Copyright (c) Land Information New Zealand. This work is based on/includes LINZ data which are licensed by Land Information New Zealand (LINZ) for re-use under the Creative Commons Attribution 4.0 International (CC-BY 4.0) licence. |
| Norway tide stations | Statens kartverk sjø (Norwegian Hydrographic Service) | Copyright (c) Statens kartverk sjø / (Norwegian Hydrographic Service). Licensed under Creative Commons Attribution 4.0 (CC-BY 4.0). |
| Spain tide stations | Puertos del Estado | This product is based on Spanish Ministry of Public Works Puertos del Estate information. The Spanish Ministry does not warrantee the data or guarantee its accuracy or have any connection with this product. |
| United Kingdom tide stations | British Oceanograpic Data Centre | Contains public sector information licensed under the Open Government Licence v3.0 |
| United States tide stations | U.S. Department of Commerce/NOAA/NOS/CO-OPS (Center for Operational Oceanographic Products and Services) | Source data created by the Center for Operational Oceanographic Products and Services (CO-OPS) and is not subject to copyright protection. |
| World Wide tide stations | University of Hawaii | Predictions derived by Brainware LLC from gauge data provided for public consumption to the Joint Archive for Sea Level from over 100 agencies representing over 90 countries. |
Disclaimer
Tide predictions are provided without guarantees of correctness or fitness for a particular purpose. They do not include weather, river flow, storm surge, seismic activity, or other short-term events that may affect actual water levels.
Do not rely on WorldTides as the only source for navigation, safety-critical operations, or any use where people, property, or the environment could be harmed.
API license
The web service and API may be used to retrieve tidal constants or predictions for individual spatial coordinates on behalf of an end user.
Use of this website and API is governed by the Terms of Service.
